Lockable display case



FIG. 1 is a perspective view of a lockable display case, showing our new design;

FIG. 2 is a top plan view of the lockable display case;

FIG. 3 is a front elevation of the lockable display case;

FIG. 4 is a side elevation of the lockable display case, viewed from the right hand side of FIG. 1;

FIG. 5 is a rear elevation of the lockable display case; and,

FIG. 6 is a bottom plan view of the lockable display case. 

The ornamental design for a lockable display case, as shown and described. 